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Ceiling Light Slim IP54 Big Diameter 420mm CL42
Dimensions：
Ø420 x H55mm
Power：
20W-28W-35W selectable
Color temperature：
3CCT 2700K-3000K-4000K(or 3000K-5700K)
Dimming or not：
Yes, triac dimmable
Beam angle：
120°
Rated voltage：
AC220-240V
Key Features & Benefits
Standard Version
High efficiency up to 110lm/W
3 x power and 3 x CCT Changeable by Dip Switch
20W/28W/35W and CCT between 2700K, 3000K, 4000K changeable in 1 fixture
Push Buckle
Easily push buckle to get the aluminum mounting kit
Suspension Kit
The suspension kit uses high-quality steel wire rope
Microwave Sensor Version Optional
Featuring power + CCT & microwave motion sensor controlling by remote
Emergency > 90 minutes Version Optional
Emergency battery backup > 1.5 hours version optional
Technical Specifications
| Model | CL42 standard version | Beam Angle | 120° |
| Protection Class | Class II / IP54 / IK08 | Dimming | Trailing edge and leading edge |
| Power | 20W/28W/35W Switchable | Color | Black, White |
| Input | AC220-240V 50/60Hz | Color Temperature | 2700K/3000K/4000K or 3000K/4000K/5700K |
| Lumen | 20W : 2200 lm, 28W: 3080 lm, 35W: 3850lm | Size | Dia 420mm height 55mm |
| Efficiency | 110lm/W | Certification | CE, ErP, RoHS |
| Life Time | >50000 hours | Warranty | 5 Years |
| Fire Rated | Yes | Coverable | N/A |
Junction box, loop-in & loop-out terminal provides a fast installation, no tools
3 wire entry holes on the back to reasonably arrange the wiring
Diameter 420mm, height 55mm
✔️ Ultra-Slim 26mm Profile- Perfect for spaces with low or tight spaces. The slim design keeps rooms looking modern and maximizes ceiling height.
✔️ Wide 420mm Diameter, 120° Beam Angle - Delivers even, wide-area lighting. This reduces shadows and minimizes the number of lights needed in any room.
✔️ IP54 & IK08 Protection - Ideal for kitchens, balconies, and even semi-outdoor areas. Enjoy reliable, long-lasting performance in tough settings.
✔️ Adjustable Wattage 20W/28W/35W & CCT select 2700K/3000K/4000K color temperature. This flexibility helps cut down on inventory and matches any project mood.
✔️ Flicker-Free and Fast to Install - Enjoy comfortable lightings that's easy on the eyes. The push-lock connection ensures fast, simple installation, saving time for contractors and installers.
1. What makes this slim ceiling light suitable for spaces with low ceilings?
With a slim 55mm profile, it fits easily into tight or low ceilings, keeping spaces modern and uncluttered. MOQ 200pcs
2. How does this ceiling light cover large areas evenly?
Its 420mm diameter and 120° beam angle provide wide, even light, so you get great coverage with fewer fixtures.
3. Where can I use these lights if I need something durable?
The IP54 and IK08 ratings mean you can install them in kitchens, commercial areas, or semi-outdoor spaces—anywhere that needs extra dust, moisture, or impact protection.
4. When should I consider using a light with adjustable wattage and color temperature?
If your project calls for flexibility, this model lets you switch between 13W, 18W, or 24W and adjust CCT from 2700K to 4000K. Ideal for varied needs and reduces inventory.
5. Is installation quick, and does the light protect against eye strain?
Yes. The push-lock design makes installation fast, and the flicker-free light output ensures a comfortable experience for offices or homes.
Triac dimmable, slim IP54 design (CE-certified) crafts tailored ambiance
Warm light to cool light, high efficiency CRI(RA) 80+ or 90+ MacAdams<6 give a perfect lighting for the room.
Waterproof & Dustproof, practical downlight/spotlight can provide directional lighting to kitchen island or worktops
Upscale thin-profile design with IP54 protection, 3 power/color temp choices
Production Process
A-ONE is a professional LED lighting factory with 17 years of manufacturing experience. We feature independent R&D, offering free mold opening, test certifications. Equipped with automated & scientific production lines, each light undergoes 100% aging tests and strict quality checks. Enjoy 5-7 years warranty. Our process covers communication, design, sampling, quality/testing, material prep, production, function/EMC tests, aging, packaging & OQC. Ideal for reliable, high-quality LED lighting solutions.
Quality is our lifeline. We strictly enforce comprehensive testing and certification for every new product in collaboration with top-tier laboratories (SGS/TUV/DEKRA), covering CE-LVD, CE-EMC, CB, IP waterproof, SGS fire-rated, RED, SGS air-tightness, 850°C glow-wire, IK rating, Acoustic Rating, 50,000+ hours lifespan, ErP, ROHS, REACH. As a professional LED lighting manufacturer, we guarantee superior product quality through rigorous testing procedures and international certification standards.
Beyond third-party certifications with SGS/TUV/DEKRA, our in-house laboratory features 14+ advanced testing devices including EVERFINE Integrating Sphere, IES Test Equipment, EMC Chamber, IP6X waterproof Checking, Climate Chamber, Computer Aging System, and specialized equipment for dielectric, insulation, salt spray, surge, vibration and drop tests. This comprehensive testing capability ensures every finished product meets the highest quality standards from development to delivery.
Installation Display
2F, Building 2, Zhongda Industrial Park, Dongshan Industrial Street, Zhangmutou Town, Dongguan, Guangdong 523619, China
